Pollution

Smogs envelop Rashtrapati Bhawan in New Delhi on November 07, 2017. Air quality slipped into the 'severe' category on Tuesday- only the second time after Diwali-with Delhi's AQI at 448. This is the worst air pollution day recorded in Delhi for the season so far, Delhi is one of the world's most polluted cities, suffers from high levels of pollution.